Alcophosphamide is a urinary metabolite of cyclophosphamide which may be used in proteomics research.

PEG3-bis(phosphonic acid diethyl ester) is a PEG Linker.

m-PEG3-succinimidyl carbonate is a PEG Linker.

Mal-PEG6-t-butyl ester is a PEG derivative containing a maleimide group and a t-butyl ester group. The hydrophilic PEG spacer increases solubility in aqueous media. The t-butyl protected carboxyl group can be deprotected under acidic conditions. The maleimide group will react with a thiol group to form a covalent bond, enabling the connection of biomolecule with a thiol.

Mal-PEG4-t-butyl ester is a PEG derivative containing a maleimide group and a t-butyl ester group. The hydrophilic PEG spacer increases solubility in aqueous media. The t-butyl protected carboxyl group can be deprotected under acidic conditions. The maleimide group will react with a thiol group to form a covalent bond, enabling the connection of biomolecule with a thiol.

Mal-PEG2-t-butyl ester is a PEG derivative containing a maleimide group and a t-butyl ester group. The hydrophilic PEG spacer increases solubility in aqueous media. The t-butyl protected carboxyl group can be deprotected under acidic conditions. The maleimide group will react with a thiol group to form a covalent bond, enabling the connection of biomolecule with a thiol.

Mal-PEG6-acid is a PEG derivative containing a maleimide group with a terminal carboxylic acid. The hydrophilic PEG spacer increases solubility in aqueous media. The maleimide group will react with a thiol group to form a covalent bond, enabling the connection of biomolecule with a thiol. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond.

Mal-PEG4-acid is a PEG derivative containing a maleimide group with a terminal carboxylic acid. The hydrophilic PEG spacer increases solubility in aqueous media. The maleimide group will react with a thiol group to form a covalent bond, enabling the connection of biomolecule with a thiol. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond.

Hexane-1,6-diyldiphosphonic acid is a non-PEG crosslinker.

m-PEG5-2-methylacrylate is a PEG derivative. PEG Linkers and derivatives may be useful in the development of antibody drug conjugates.

m-PEG5-thiol is a PEG derivative containing a thiol group. The thiol group reacts with maleimide, OPSS, vinylsulfone and transition metal surfaces including gold, silver, etc. The hydrophilic PEG spacer increases solubility in aqueous media.

Octanethyl glycol is a PEG Linker.

Pentaethylene glycol is a PEG Linker. PEG Linkers may be useful int he development of antibody drug conjugates.

Hydroxy-PEG3-CH2CO2tBu is a PEG derivative containing a hydroxyl group with a t-butyl protected carboxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The t-butyl protected carboxyl group can be deprotected under acidic conditions.

Hydroxy-PEG2-CH2CO2H, sodium salt, is a PEG derivative containing a hydroxyl group with a terminal carboxylic acid. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive functional groups.

Hydroxy-PEG3-acid is a PEG derivative containing a hydroxyl group with a terminal carboxylic acid. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive functional groups.

Boc-NH-ethyl-SS-propionic acid is a cleavable PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

t-Boc-Cystamine is a cleavable PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

Bromo-PEG2-azide is a PEG derivative containing a bromide group and a terminal azide. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage.

Boc-NH-PEG2-NH-Boc is a PEG derivative. PEG Linkers may be useful in the development of antibody drug conjugates.

Bis-PEG11-acid is a PEG derivative containing two terminal carboxylic acid groups. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. PEG Linkers may be useful in the development of antibody drug conjugates.

Benzyl-PEG2-Tos is a Benzyl PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

Boc-Gly-amido-(CH2)3-PEG3-(CH2)3-amine is an Amino PEG Linker. PEG Amines contain an amino group which can react with acids, succinimidyl-active esters, or pentafluorophenyl esters for labeling, chemical modification, surface or particle modifications. PEG Linkers may be useful in the development of antibody drug conjugates.

Azido-PEG5-amine is a PEG derivative containing an amino group with an azide group. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. PEG Linkers may be useful in the development of antibody drug conjugates.

Amino-PEG11-amine is a PEG derivative containing two amino groups. The amino groups are reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. PEG Linkers may be useful in the development of antibody drug conjugates or drug delivery methods.

Amino-PEG9-amine is a PEG derivative containing two amino groups. The amino groups are reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. PEG Linkers may be useful in the development of antibody drug conjugates and drug delivery methods.

Propargyl-PEG2-acrylate is a PEG derivative containing a propargyl group and an acrylate group. The propargyl group can be reacted with azide-bearing compounds or biomolecules via copper catalyzed azide-alkyne Click Chemistry to yield a stable triazole linkage. The acrylate group enables Michael addition. PEG Linkers may be useful in the development of antibody drug conjugates and drug delivery.

Propargyl-PEG1-t-butyl ester is a PEG derivative containing a propargyl group and a t-butyl protected carboxyl group. The propargyl group can be reacted with azide-bearing compounds or biomolecules via copper catalyzed azide-alkyne Click Chemistry to yield a stable triazole linkage. The t-butyl protected carboxyl group can be deprotected under acidic conditions. The hydrophilic PEG spacer increases solubility in aqueous media.

2-Iminothiolane HCl, or Traut's Reagent,is commonly used to convert primary amines into sulfhydryl groups in a one-step process is called thiolation. It is a useful RNA-protein crosslinking reagent and an effective thiolation reagent for polysaccharides.

CDI Crosslinker, or N,N'-Carbonyldiimidazole, is a zero-length crosslinker that is often employed in the coupling of amino acids for peptide synthesis and also in organic synthesis. CDI can be used to convert alcohols and amines into carbamates, esters, and ureas.